Can You Give Yourself Night Vision?

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SUMMARY

The forum discussion centers on the concept of achieving temporary night vision through dark adaptation techniques. Participants reference a blog post detailing methods to enhance night vision by allowing one eye to adjust to darkness while the other remains exposed to light. Key insights include the effectiveness of this method compared to simply sitting in a dark room and the humorous exaggeration of potential side effects, such as temporary blindness. The discussion highlights the nostalgic nature of this knowledge, often learned in childhood.

PREREQUISITES
  • Understanding of dark adaptation and its physiological effects on vision
  • Familiarity with basic eye anatomy and function
  • Knowledge of light exposure and its impact on vision
  • Awareness of historical context regarding childhood learning experiences
NEXT STEPS
  • Research the physiological mechanisms of dark adaptation in human eyes
  • Explore the effects of prolonged exposure to bright light on night vision
  • Investigate historical methods of enhancing night vision used in scouting and outdoor activities
  • Learn about the impact of light pollution on natural night vision
USEFUL FOR

This discussion is beneficial for educators, outdoor enthusiasts, and anyone interested in the science of vision and light adaptation techniques.

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Ooh, that's so cool, it's scary!

PS : You can still be productive with just the one eye.
 
Umm, so have anyone tried it yet?
 
I would say old and obvious, but that might just be me.
 
Actually, this little trick explains a lot why you can see the stars in the night sky (as long as the clouds are not fussing about).
 
Mattara said:
I would say old and obvious, but that might just be me.

These were the things you learned in cub scouts, back when kids were cub scouts. By the time I was in sixth grade, I had learned about this trick half a dozen times. But that might just be me.
 
Um, wow. Dark adaptation. Stop the presses!

- Warren
 
So how is this different from sitting in a dark room for 20 minutes?
 
The amount that your eyes adjust becomes pronounced.
 
  • #10
I think the effect is more pronounced because you are determining how dark it is according to the uncovered eye (which will think "merely dim" is "complete darkness"). You will still see even better in the dark when you wake up at night.
 
  • #11
THIS JUST IN! GIVE YOURSELF TEMPORARY BLINDNESS AND SEVERE OCULAR PAIN!

Just shut both your eyes for 20 minutes, and then open them while simultaneously turning on every 120 watt light bulb around!

AMAZING!
 
  • #12
Chi Meson said:
I had learned about this trick half a dozen times. But that might just be me.
Must be. Most of us just have to learn something once.
 
  • #13
Danger said:
Must be. Most of us just have to learn something once.
D'oh!

[10 chars]

D'oh! D'oh!
 

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